Notify that parsing of metadata has completed. No Additional chunks should be sent through ProcessChunkData(), all metadata processing is complete. This will only be called if the user has called ParseChunkData(). User can retrive metadata by calling CMetaDataUtility::MetaDataCount(), CMetaDataUtility::MetaDataFieldsL().

Notify that processing of the previous received chunk has completed. User can call CMetaDataUtility::ProcessChunkData() to send a new chunk. No Additional chunks should be sent, when there is an error. This will be called when Final Chunk is sent and no metadata is found.

Notify that collecting of metadata has completed. No Additional chunks should be sent through ProcessChunkData(), All metadata have been collected, and ready to be parsed. User need to call CMetaDataUtility::ParseChunkData() to parse the data